Solve the quadratic equation by completing the square. x²-18x+71=0
First, Choose the appropriate form and fill in the blanks with the correct numbers.
Then, Solve the equation. If there is more than one solution, separate them with commas.
Form:
1. (x + _)² = _
2. (x - _)² = _
Solution: x = _
Fill in the underscores with correct values, Show work in full please